By Doyle Rice, USA TODAY
A landmark new climate study released today reports that global warming is already changing the life cycles of thousands of animals and plants — as well as hundreds of physical systems — worldwide.
It documents rapid glacier melts in North America, South America and Europe; trees and plants sprouting leaves much earlier in the spring in Europe, Asia and North America; permafrost melting in Asia; and changes in bird migration patterns across Europe, North America and Australia, all in response to rising global temperatures.
While previous studies have looked at single phenomena or smaller areas, this is a new analysis on a continental scale looking at data that had not been previously assembled together in one spot, says lead author Cynthia Rosenzweig, a scientist at NASA's Goddard Institute for Space Studies in New York.
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